Cordless telephone headset



FIG. 1 is a right side and front perspective view of a cordless telephone headset showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof; and,

FIG. 5 is a left side and front perspective view thereof. 

The ornamental design for a cordless telephone headset, as shown and described. 